* {
    margin: 0;
    padding: 0;
}

body {
    background-color: #ccc;
}

.ayao {
    width: 400px;
    height: 400px;
    margin: 100px auto;
    background-color: rgb(255, 255, 255);
    border-radius: 200px;
    border: solid skyblue;
}

img{
    width: 400px;
    height: 400px;
    border-radius: 200px;
    
}

.xuanzhuan {
    -webkit-transform: rotate(360deg);
    animation: rotation 10s linear infinite;
    -moz-animation: rotation 10s linear infinite;
    -webkit-animation: rotation 10s linear infinite;
    -o-animation: rotation  10s linear infinite;
}
@-webkit-keyframes rotation {
    from {
        -webkit-transform: rotate(0deg);
    }
    to {
        -webkit-transform: rotate(360deg);
    }
}